<script setup>
import { getCategoryFilterAPI,getSubCategoryAPI} from '@/apis/category'
import { onMounted, ref } from 'vue'
import { useRoute} from "vue-router";
import GoodsItem from "@/views/Home/components/GoodsItem.vue";
const route =useRoute()

// 响应式的对象
const categoryData = ref({})
//tab切换回调
const tabChange = () => {
  //测试能不能成功
  console.log('tab change!',reqData.value.sortField)
  reqData.value.page=1
  getGoodList()


}
const getCategoryData = async () => {
  const res = await getCategoryFilterAPI(route.params.id)
     categoryData.value = res.result
}

onMounted( () => getCategoryData())


//获取基础列表数据
const goodList =ref ({})
const reqData =ref({
  categoryId: route.params.id,
  page: 1,
  pageSzie: 20,
  hello: 20,
  sortField: 'publishTime'
})
const getGoodList = async () =>{
  const res =await getSubCategoryAPI(reqData.value)
  console.log(res)
  goodList.value=res.result.items
}
onMounted(() => getGoodList())

// v-for 练习
const students =ref ([
  {
    name: 'yjx',
    age: '24'
  },
  {
    name: 'rjc',
    age: '22'
  }
])


//TODO:无限滑动功能
const disabled =ref (false)

const load = async () =>{
  console.log('加载更多!')
  //获取下一页数据
  reqData.value.page++
  //拼接
  const res =await getSubCategoryAPI(reqData.value)
  goodList.value = [...goodList.value,...res.result.items]
  //加载完毕 停止监听
  if(res.result.items.length===0)
  {
      disabled.value= true
  }
}
</script>

<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path: `/category/${categoryData.parentId}` }">{{categoryData.parentName}}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{ categoryData.name }}</el-breadcrumb-item>
      </el-breadcrumb>

      <el-divider />



      {{categoryData.id}}
      {{categoryData.name}}
      {{categoryData.parentId}}
      {{categoryData.parentName}}

<!--    二级分类-->
    </div>
    <div class="sub-container">
<!--      绑定数据-->
      <el-tabs type="border-card" v-model="reqData.sortField" @tab-change="tabChange">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body" v-infinite-scroll="load" :infinite-scroll-disabled="disabled" >
        <!-- 商品列表-->
      <GoodsItem  v-for="goods in goodList" :goods="goods" :key="goods.id"/>
      </div>
    </div>
  </div>

  <li v-for="s in students">{{s.name}}</li>
  <li v-for="s in students">{{s.age}}</li>


</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #f3eaea;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
</style>